1. Exploring the sustainable tourism practices among tour operators in Malaysia;Journal of Sustainability Science and Management,2020
2. African Business
. (2021). South Africa is a leader in eco-friendly tourism. https://african.business/2021/11/trade-investment/south-africa-is-a-leader-in-eco-friendly-tourism/
3. African Development
. (2023). Sustainable and responsible tourism driving development in Africa. https://www.afdb.org/en/news-and-events/sustainable-and-responsible-tourism-driving-development-in-africa-16667
4. African Wildlife Foundation
. (2023). An overview of sustainable tourism. https://www.awf.org/community/sustainable-tourism
5. African news
. (2023). Africa targets sustainable tourism (Business Africa). https://www.africanews.com/2022/11/10/africa-targets-sustainable-tourism-business-africa//